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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Biomaterials. 2010 Feb 10;31(13):3631–3642. doi: 10.1016/j.biomaterials.2010.01.048

Figure 1. Nanoparticles Loaded with Biomolecules.

Figure 1

NPs encapsulating (A) DEX and (B) plasmid DNA were examined under SEM. Both types of NPs had the normal spherical morphology. NPs encapsulating plasmid DNA had larger mean particle diameter, but both types of NPs had similar magnitude in their zeta potentials. The mean particle size was 180 ± 60 nm for DEX NPs and 230 ± 90 nm for DNA NPs; the zeta potential values were -14 ± 2 mV and -16 ± 1 mV respectively. (Scale bar = 1 μm)